Mitsubishi Colt (Z30; 2003 – 2008) – fuse and relay box diagram
Year of production: 2003, 2004, 2005, 2006, 2007, 2008
This article focuses on the pre-facelift Mitsubishi Colt (Z30), manufactured from 2002 to 2008. It includes fuse box diagrams for the 2003 through 2009 models, provides details on the locations of the fuse panels inside the vehicle, and explains the purpose of each fuse (fuse layout).
Passenger Compartment Fuse Box
Fuse Box Location
It is located behind the cover in front of the driver’s seat. Turn the clips (A) anticlockwise, then remove the cover (B).

Fuse Box Diagram
Assignment of the fuses in the instrument panel
№ | Amps | Load circuit |
---|---|---|
1 | 40A | Ignition switch circuit |
2 | 40A | Power window main switch and power window sub switch |
3 | 40A | Cooling fan motor |
4 | – | – |
5 | 30A | Rear window defogger |
6 | – | – |
7 | – | – |
8 | 30A | Combination meter, blower motor, power transistor and resistor |
9 | 10A | ETACS-ECU, radio and CD player |
10 | 10A | ETACS-ECU, ignition key cylinder illumination lamp, luggage compartment lamp and room lamp |
11 | 7.5A | – |
12 | 7.5A | Sunroof motor assembly |
13 | 20A | ETACS-ECU, windshield wiper motor and washer motor |
14 | 7.5A | Fog lamp switch, hazard warning switch, position lamp and tail lamp |
15 | 7.5A | Licence plate lamp, position lamp and tail lamp |
16 | 20A | Air flow sensor (4G15), camshaft position sensor, crank angle sensor, EGR valve (CVT), engine control relay, engine-CVT-ECU (CVT), engine-ECU (M/T), fuel pressure control solenoid valve (4G15), injector, oxygen sensor, primary speed sensor (CVT), purge control solenoid valve, oil feeder control valve, secondary speed sensor (CVT), turbine speed sensor (CVT), throttle valve control servo relay and wastegate solenoid valve (4G15) |
17 | 15A | Fuel pump and gauge unit |
18 | 10A | Horn and horn relay |
19 | 10A | Headlamp (HI) |
20 | 10A | Headlamp (HI) |
21 | – | – |
22 | – | – |
23 | 7.5A | Door mirror assembly |
24 | 10A | A/C compressor, A/C compressor relay, engine-CVT-ECU (CVT) and engine-ECU (M/T) |
25 | 15A | Cigarette lighter |
26 | 15A | ETACS-ECU, rear wiper motor and washer motor |
27 | 20A | Sunroof motor assembly |
28 | – | – |
29 | 10A | – |
30 | 15A | – |
31 | 10A | ETACS-ECU and turn-signal lamp |
32 | 10A | – |
33 | 15A | Diagnosis connector, ETACS-ECU, door lock actuator and door mirror assembly |
34 | 15A | Fog lamp and fog lamp relay |
35 | 15A | Headlamp (LO) |
36 | 15A | Headlamp (LO) |
37 | 7.5A | Engine-CVT-ECU (CVT), SRS-ECU and back-up lamp |
38 | 7.5A | Engine-CVT-ECU (CVT) engine-ECU (M/T) and fuel pump relay |
39 | 10A | Ignition coil and noise condenser |
40 | 7.5A | ABS-ECU (4A91), ASC-ECU (4G15)>, column switch, combination meter, EPS-ECU, ETACS-ECU, SRS-ECU, G and yaw rate sensor and steering wheel sensor |
41 | 7.5A | Blower relay, combination meter, cooling fan control relay, engine-CVT-ECU (CVT), engine-ECU (M/T), outside/inside air selection damper control motor and rear window defogger relay |
42 | 15A | ABS-ECU (4A91), ASC-ECU (4G15), engine-CVT-ECU (CVT) engine-ECU (M/T), high-mounted stop lamp and stop lamp |
43 | 10A | Column switch, combination meter, ETACS-ECU, engine-CVT-ECU (CVT), engine-ECU (M/T), key reminder switch, radio and CD player |
44 | 20A | CVT control solenoid valve assembly, CVT control relay and engine-CVT-ECU (CVT) |
Engine Compartment Fuse Box
Fuse Box Diagram
Fusible link box connected directly to battery positive terminal.
Assignment of the fuses in the engine compartment
№ | Amps | Load circuit |
---|---|---|
1 | 120A | ETACS-ECU, headlamp relay, fusible link №1, 2, 3 (in junction block) and fuse №10, 14, 15, 16, 17, 18, 19, 20, 31, 35, 36, 42, 43, 44 circuit |
2 | 120A | Fusible link №6 (in fusible link box) circuit/battery and fusible link №1,3, 4, 5 (in fusible link box) |
3 | 40A | ABS-ECU and ASC-ECU |
4 | 60A | EPS-ECU |
5 | 30A | ABS-ECU, ASC-ECU and alternator |
6 | 80A | Fuse №5, 8, 11, 24, 27, 29, 30, 33, 34 |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.